Diode-Pumped Actively Nd:Lu_0.33Y_0.37Gd_0.3VO₄ Q-Switched
Laser
with Electro-Optic (EO) Modulator¹

J. Zhao^a, *, K. Li^a, F. Kong^a, K. Cheng^a, and B. Zhao^b

^a School of Information Science and Engineering, Shandong University, Jinan 250100, China

^b College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China

*e-mail: zhaojia@sdu.edu.cn

Received December 14, 2011; in final form, December 21, 2011; published online April 3, 2012

Abstract—Nd:Lu_0.33Y_0.37Gd_0.3VO₄ crystal is a new triple-mixed vanadate crystal and has broader fluorescence
line-width. By using electro-optic (EO) modulator as active Q-switch, a diode-pumped actively Qswitched
Nd:Lu_0.33Y_0.37Gd_0.3VO₄ laser is realized for the first time. The average output power and the pulse width under
different EO repetition rates are measured. The experimental results show that the actively Qswitched
Nd:Lu_0.33Y_0.37Gd_0.3VO₄ laser can generate shorter pulse width with higher peak power. Due to broader fluores-
cence line-width, the triple-mixed crystal Nd:Lu_0.33Y_0.37Gd_0.3VO₄ is a promising laser medium for the Q-
switched laser.

DOI: 10.1134/S1054660X12050374

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